#57EFFE
Closest named color: Robin's Egg (#6DEDFD). oklch(87.8% 0.127 204.5), rgb(87, 239, 254).
Aa
Black text reads best on this color (15.18:1).
About this color
#57EFFE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.127 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.013 away. Black text reads best on it, at 15.18:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 15.18:1 |
| White text | 1.38:1 |
Values
| HEX | #57EFFE |
| RGB | rgb(87, 239, 254) |
| HSL | hsl(185, 99%, 67%) |
| OKLCH | oklch(87.8% 0.127 204.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #57EFFE | 1.38:1 | Fails | Lc -20.9 | Dividers and decoration only |
| Black text on #57EFFE | 15.18:1 | AAA | Lc 85.4 | Fine for body text |
| #57EFFE text on white | 1.38:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #57EFFE text on black | 15.18:1 | AAA | Lc -85.2 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#E5FAFC
oklch(97% 0.022 203.7)
-
Step 100
100
#C6F4F9
oklch(93.7% 0.048 204.5)
-
Step 200
200 (this color)
#57EFFE
oklch(87.8% 0.127 204.5)
-
Step 300
300
#00DAEA
oklch(81% 0.138 204.2)
-
Step 400
400
#00B6C4
oklch(70.8% 0.121 204.6)
-
Step 500
500
#009CA8
oklch(63.2% 0.108 204.4)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#57EFFE with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #DDE6FF | 0.126 |
| Deuteranopia (no green cones) | #C4D3FF | 0.117 |
| Tritanopia (no blue cones) | #00F8F3 | 0.039 |
| Achromatopsia (no color) | #DBDBDB | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57EFFE
#57EFFE
oklch(87.8% 0.127 204.5)
- #FFC7C2
#FFC7C2
oklch(87.8% 0.065 24.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #57EFFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.013
- Bright Light Blue #26F7FD ΔE 0.026
- Robin Egg Blue #8AF1FE ΔE 0.037
- Bright Cyan #41FDFE ΔE 0.038
- Cyan #00FFFF ΔE 0.045
- Bright Turquoise #0FFEF9 ΔE 0.046
- Robin's Egg Blue #98EFF9 ΔE 0.048
- Bright Aqua #0BF9EA ΔE 0.050
Use #57EFFE in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.